In pics: snow petrels seen near Zhongshan station in Antarctica

Snow petrels are seen near the Zhongshan station in Antarctica, Dec. 9, 2018. China's research icebreaker Xuelong, also known as the Snow Dragon, is now 44 kilometers away from the Zhongshan station. Unloading operations have been carried out after the transportation routes were determined. (Xinhua/Liu Shiping)